Internal-combustion engines – Charge forming device – With fuel pump
Patent
1998-05-08
1999-12-07
Moulis, Thomas N.
Internal-combustion engines
Charge forming device
With fuel pump
123446, 123 27GE, F02B 300, F02M 3704
Patent
active
059965584
ABSTRACT:
This invention relates to a novel hydraulically actuated fuel injector for an internal combustion engine. More particularly, the application pertains to a hydraulically actuated gaseous injector for injecting main fuel and optional pilot fuel into an internal combustion engine at different times at controlled pressure. A hydraulically actuated fuel injector for a piston displacement engine comprising: (a) an injector which is actuated by an actuator means and injects fuel into the engine at predetermined times; (b) a means for introducing hydraulic oil into said injector; (c) means for pressurizing said hydraulic oil; (d) means for opening a fuel inlet means and injecting the fuel into the engine upon the pressure of the hydraulic oil reaching a predetermined level; and (e) a means for preventing the pressure of the hydraulic oil from rising above the predetermined level.
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Douville Brad
Hill Philip G.
Hodgins K. Bruce
Ouellette Patric
Touchette Alain
Moulis Thomas N.
Westport Research Inc.
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